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Graphite Gray
Graphite Gray
Graphite Gray
Graphite Gray
Graphite Gray
Graphite Gray
Graphite Gray
Graphite Gray
Swamp Cooler™ H
Swamp Cooler™ H
Graphite Gray
Heliotrope Purple
Heliotrope Purple
Heliotrope Purple
Heliotrope Purple
Heliotrope Purple
Heliotrope Purple
Heliotrope Purple
Heliotrope Purple
Swamp Cooler™ H
Swamp Cooler™ H
Heliotrope Purple
Sage Green
Sage Green
Sage Green
Sage Green
Sage Green
Sage Green
Sage Green
Sage Green
Swamp Cooler™ H
Swamp Cooler™ H
Sage Green
Sage Green
Sage Green
40% off
4.8
Rated 4.8 out of 5 stars
252 Reviews

Swamp Cooler™ Harness

cooling dog harness

Color

Selected: Sage Green

Choose size

Sizing Chart

Use this fit guide to find the right size for your dog. Measurement is around the widest part of the rib cage. In between sizes? Choose the smaller size.

Girth Size
13 - 17 in (33 - 43 cm) XXS
17 - 22 in (43 - 56 cm) XS
22 - 27 in (56 - 69 cm) S
27 - 32 in (69 - 81 cm) M
32 - 42 in (81 - 107 cm) L/XL
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Free Delivery*

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Better With Each Design

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Trail Tested Promise
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The Swamp Cooler Harness is an all-in-one cooling solution for dogs exploring in hot conditions. This harness integrates our Swamp Cooler™ evaporative cooling tech with Ruffwear's reliable multi-use body harness platform. Ruffwear's signature strong leash connection points, high adjustability, quick-grab handle, and easy on/off features are elevated with cooling capability throughout the back panel and supportive chest/belly panel.

The Swamp Cooler Harness adds a cool factor to a harness designed to keep the adventure going, when the temps are high and your dog's stoke for exploration is even higher.

How does Swamp Cooler™ Tech work? Learn more about evaporative cooling and other ways to keep your dog cool here.

Swamp Cooler™ Tech

Three-layer construction absorbs water and promotes evaporative cooling.

Padded Handle

Balanced and comfortable lifting and assisting with padded handle and load-dispersing chest/belly panel.

Strong Connections

Two leash connection points: an aluminum V-ring and reinforced webbing loop on back.

Additional Features

  • Lightweight, easy on/off construction built with Swamp Cooler™ Tech

  • Wicking outer layer reflects heat and facilitates evaporation

  • Absorbent middle layer stores water for evaporation

  • Mesh lining keeps dog dry and comfortable

  • Balanced and comfortable lifting with padded handle and load-dispersing chest/belly panel

  • Six points of adjustment for an optimal fit

  • Two leash attachment points: aluminum V-ring and reinforced webbing loop on back

  • Reflective trim and light loop for attaching The Beacon™

  • Materials

    • Outer Layer (bluesign® approved): polyester air mesh
    • Middle Layer: polyester felt
    • Lining (bluesign® approved): dry-weave polyester mesh
    • Webbing: nylon
    • Buckles (bluesign® approved): ITW Nexus Mach 1 side-release
    • Leash Connection Point: anodized 6061-T6 aluminum V-ring
    • Made in Vietnam

  • Care

    • Secure fasteners
    • Wash in cold water
    • Gentle cycle
    • Use mild detergent
    • Air dry

Swamp Cooler™ Harness Videos

  • About the Swamp Cooler™ Harness

    Learn more about the Swamp Cooler Harness from Rachel and Nova.

  • How To Use Cooling Gear

    Learn more about how to use Ruffwear cooling gear from Rachel and Nova.

Find The Right Size For Your Dog

Measurement is around the widest part of the rib cage.

Sizing Chart

Measurement is around the widest part of the rib cage.
Product Figure
Girth Size
13 - 17 in (33 - 43 cm) XXS
17 - 22 in (43 - 56 cm) XS
22 - 27 in (56 - 69 cm) S
27 - 32 in (69 - 81 cm) M
32 - 42 in (81 - 107 cm) L/XL
Find The Right Size For Your Dog chart
Select Size

13-17 in (33-43 cm)

Ratings & Reviews

4.8
Rated 4.8 out of 5 stars
Based on 252 reviews
Total 5 star reviews: 211
Total 4 star reviews: 31
Total 3 star reviews: 5
Total 2 star reviews: 3
Total 1 star reviews: 2
Slide 1 selected
252 reviews
  • Emmanuel F.
    Verified Buyer
    I recommend this product
    Type of Activity Hiking, Camping, Backpacking, Water
    Dog Shape Robust
    Dog Size Medium
    Rated 5 out of 5 stars
    4 days ago
    Pleasantly Surprised

    This was my first time purchasing an item like this for my Australian Cattle Dog and we have been hiking a lot lately. It was a warm day and I checked the temperature under the harness and it was quite cool! My dog Luna also seemed very happy to have it on.

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  • Cristina N.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    6 days ago
    Heidi’s Adventure in Austria: By Bicycle, By Boat, In Water, On Mountains with the Swamp Cooler™ Harness

    We’ve just returned from an unforgettable adventure in Austria with our 10-year-old Golden Retriever, Heidi. The Swamp Cooler™ Harness quickly became one of the most valuable pieces of gear we packed, helping her stay comfortable during some very hot summer days.

    Before every hike or bike ride, we let Heidi take a quick swim or splash around in Danube or in a lake to soak her harness. Once it was wet, the evaporative cooling kept her noticeably cooler throughout our walks, even when the temperatures were high. It became part of our daily routine—find some water, let Heidi enjoy a refreshing dip, and then continue our adventure with a happy, comfortable dog.

    Whether we were cycling along the Danube, exploring mountain trails, taking boat trips, or simply enjoying Austria’s beautiful lakes, the Swamp Cooler™ Harness gave us peace of mind knowing Heidi could enjoy every activity alongside us.

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  • Dustin R.
    Verified Buyer
    I recommend this product
    Type of Activity Camping, Hiking, Biking, Backpacking, Other
    Dog Shape Elongated
    Dog Size Large
    Rated 5 out of 5 stars
    1 week ago
    Good For Peace Of Mind In Heat

    While I tend to use my dog’s regular harness from Ruffwear, this is great for those really hot days when I may want to cool him down even more! In addition to this, the cooling neck scarf was also purchased, and I find that has gotten a lot of use because it’s so easy to bring with in a pocket or bag.

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  • Macie M.
    Verified Buyer
    I recommend this product
    Type of Activity Other
    Dog Shape Broad
    Dog Size Medium
    Rated 5 out of 5 stars
    1 week ago
    Swamp cooler

    Love the swamp cooler harness

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  • Laurie L. M.
    Verified Buyer
    I recommend this product
    Type of Activity Hiking, Camping, Backpacking, Climbing
    Dog Shape Slight
    Dog Size Medium
    Rated 5 out of 5 stars
    3 weeks ago
    Perfect for a hot Golden!

    Rosie loves her new harness as it fits perfectly, thanks to the kind woman who assisted us in making some adjustments!

    We have been on a month-long trip out West/Southwest and the ability for this harness to keep her cool and comfortable was extremely important for me. It did not disappoint.

    Rosie enjoyed the cool water being poured over the harness to help in those extreme temperatures and the material allowed her to keep cool while the water was evaporating.

    Thank you kindly!

    Rosie and Laurie

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